[RFI] Television RFI
Mon, 23 Mar 1998 08:57:30 -0600
>When my tv is off, I receive spikes on my HF receiver spaced about
>54kHz apart (switching power supply?). They are typically about S9.
>When the tv is turned on, the spikes turn into broadband noise typically
>around S4 to S5.
I have a similar problem with my Sony XBR trinitron TV, but only while it is
on. I am lucky that it is quiet when it is turned off! It's mainly
bothersome on 17 & 15 meters. In addition to generating RFI, it rcvs RFI
quite well too!
The XBR is a fine TV except for the cheap power supply. I've had two fail on
me, and they generate more & more noise until they fail. I also tried
wrapping everything into & out of the TV. It helped on the RFI into the TV,
but not at all on the noise coming out of it.
I also considered getting an ANC-4, but have decided to what until I get my
tower up this summer to see if having the ham antenna further away from the TV
helps. I use an R5 vertical on the roof directly above the TV now.
de ed -- K0iL
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